小题1: Simon was a football fan. （改为同义句）
Simon __________ __________ about football.
小题2: I received a letter from my parents yesterday. (同上)
I __________ __________ my parents yesterday.
小题3:We can’t live if there’s no air or water. (同上)
We can’t live _________ air ______ water.
小题4:To be careful with fire is important. （同上）
___________ important _________ be careful with fire.
小题5:It’s great fun to play chess in the park. （改为感叹句）
_____________ great fun it is ____________ play chess in the park!